Screamer
"Too bad you can't ride the Screamer because what would be better than riding a 100 year-old rollercoaster made out of wood?" -GTA IV Manual
The Screamer is a wooden roller coaster featured in Grand Theft Auto IV at the Funland theme park in Firefly Island, Broker and is 85 feet tall. It is based on the Coney Island Cyclone. The ride is not functional and was built by drunken Europeans.
At the highest point, around the middle of the coaster track is one of the 200 Flying Rats.
Trivia
In the game manual of Grand Theft Auto IV there's a category for the Screamer and it says, "Too bad you can't ride the Screamer because what would be better than riding a 100 year-old rollercoaster made out of wood?"